Home / 1,427,490.47-2,141,796.13-628,211.34

Finding the Fourth Proportional to 1,427,490.47, 2,141,796.13 and 628,211.34

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Solution

The fourth proportional to 1,427,490.47, 2,141,796.13 and 628,211.34 is: 942,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,490.47 : 2,141,796.13 = 628,211.34 : x
  2. Step 2: Convert to fraction form
    1,427,490.47/2,141,796.13 = 628,211.34/x
  3. Step 3: Cross multiply
    1,427,490.47x = 2,141,796.13 × 628,211.34
  4. Step 4: Simplify right side
    1,427,490.47x = 1,345,500,619,118.73
  5. Step 5: Solve for x
    x = 1,345,500,619,118.73/1,427,490.47
  6. Step 6: Final answer
    x = 942,563.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.